78709333416 has 64 divisors (see below), whose sum is σ = 225739008000. Its totient is φ = 22402861248.

The previous prime is 78709333393. The next prime is 78709333453. The reversal of 78709333416 is 61433390787.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846516 + ... + 934883.

It is an arithmetic number, because the mean of its divisors is an integer number (3527172000).

Almost surely, 2^78709333416 is an apocalyptic number.

It is an amenable number.

78709333416 is an abundant number, since it is smaller than the sum of its proper divisors (147029674584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78709333416 is a wasteful number, since it uses less digits than its factorization.

78709333416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781678 (or 1781674 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 78709333416 in words is "seventy-eight billion, seven hundred nine million, three hundred thirty-three thousand, four hundred sixteen".